Patents by Inventor Leonardo Trentini

Leonardo Trentini has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the production and purification of vinyl aromatic monomers
    Patent number: 7393986
    Abstract: Process for the production of vinyl aromatic monomers which comprises: a) feeding an aromatic stream and an olefinic stream to an alkylation unit; b) feeding the reaction product coming from the alkylation section to a first separation section; c) recovering the mono-alkylated aromatic hydrocarbon and the heavy bottom product from the first separation section; d) feeding the mono-alkylated aromatic to a dehydrogenation section; e) feeding the reaction product coming from the dehydrogenation section to a second purification/separation section; f) also feeding the heavy bottom product of step (c) to the second purification/separation section; g) recovering a stream consisting of the vinyl aromatic monomer with a purity higher than 99.7 by weight.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: July 1, 2008
    Assignee: Polimeri Europa S.p.A.
    Inventors: Armando Galeotti, Elena Bencini, Leonardo Trentini
  • Process for the production and purification of vinyl aromatic monomers
    Publication number: 20070142687
    Abstract: Process for the production of vinyl aromatic monomers which comprises: a) feeding an aromatic stream and an olefinic stream to an alkylation unit; b) feeding the reaction product coming from the alkylation section to a first separation section; c) recovering the mono-alkylated aromatic hydrocarbon and the heavy bottom product from the first separation section; d) feeding the mono-alkylated aromatic to a dehydrogenation section; e) feeding the reaction product coming from the dehydrogenation section to a second purification/separation section; f) also feeding the heavy bottom product of step (c) to the second purification/separation section; g) recovering a stream consisting of the vinyl aromatic monomer with a purity higher than 99.7 by weight.
    Type: Application
    Filed: December 13, 2004
    Publication date: June 21, 2007
    Applicant: Polimeri Europa S.p.A.
    Inventors: Armando Galeotti, Elena Bencini, Leonardo Trentini